Trace Infrastructure

The mainline version of the KProbes supports x86,Alpha and PPC64 architectures. A MIPS implementation has been completed on the 2.6.16 kernel and tested on the Toshiba TX49 platform. Patch is available in the Patch Archive.

[would be nice to have some djprobe stuff here]

Sampling Systems

Note that profile systems (or "sampling systems") are slightly different, in that they involve sampling instead of event tracing. Some major ones for Linux are:

top - provides a dynamic real-time view of a running system, including processes